iSXblue/SXBlue II GNSS Series Technical Reference Manual
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2.1.1
Satellite Tracking .................................................................................................................................37
2.1.2
Positioning Accuracy ...........................................................................................................................37
2.1.3
Update Rates ........................................................................................................................................38
2.2
SBAS ......................................................................................................................................................................38
2.2.1
Automatic Tracking and Ranging ........................................................................................................38
2.2.2
SBAS Performance ..............................................................................................................................38
2.3
GLONASS .............................................................................................................................................................40
2.3.1
Satellite tracking ...................................................................................................................................40
2.3.2
GLONASS Performance ......................................................................................................................40
2.4
COAST™, G-Dif™ and SureTrack™ Technologies .............................................................................................41
2.5
Real-Time Differential Options ..............................................................................................................................41
2.5.1
The “MFA” Application .......................................................................................................................42
2.5.2
Auto-Dif – Autonomous Differential / RTCM Base Station Option ....................................................42
2.6
Post Processing .......................................................................................................................................................44
2.7
Evaluating the iSXBlue/SXBlue GNSS II Performance .........................................................................................44
2.8
Communication ......................................................................................................................................................46
2.8.1
Interface ...............................................................................................................................................46
2.8.2
Bluetooth, USB and Serial Ports ..........................................................................................................46
2.8.3
Event Marker, 1 Pulse per Second and 5Vdc Power ............................................................................47
2.8.3.1
One Pulse per Second (1PPS) ................................................................................................ 47
2.8.3.2
Event Marker Input (EM) ...................................................................................................... 48
2.8.3.3
5Volt DC Output (PWR) ....................................................................................................... 48
2.9
Environmental Requirements .................................................................................................................................48
3.
Advanced Operations ....................................................................................................................................................49
3.1
Communicating with the iSXBlue/SXBlue II Receiver .........................................................................................49
3.1.1
NMEA 0183 Interface ..........................................................................................................................49
3.1.2
Binary Messages ..................................................................................................................................50
3.1.3
RTCM SC-104 Protocol .......................................................................................................................50
3.2
Configuring the iSXBlue/SXBlue II Receiver ........................................................................................................51
3.2.1
Using HyperTerminal ...........................................................................................................................51
3.2.1.1
HyperTerminal Setup ............................................................................................................ 51
3.2.1.2
Sending Individual Commands .............................................................................................. 53
3.2.1.3
Sending Configuration Files to the Receiver ......................................................................... 54
3.2.2
Using SXBlue Config...........................................................................................................................55
3.2.2.1
Quick Config Mode ............................................................................................................... 55
3.2.2.2
Advanced Mode .................................................................................................................... 56
3.3
Firmware Architecture ...........................................................................................................................................57
3.3.1
Available Applications .........................................................................................................................57
3.3.2
Activating an Application or Option ....................................................................................................58
3.3.3
Interpreting Subscription Date Codes...................................................................................................60
4.
Differential Correction Operations ..............................................................................................................................61
4.1
Automatic Differential of the MFA Application ....................................................................................................61
4.1.1
Principle of Operation ..........................................................................................................................61
4.1.2
Datum Considerations ..........................................................................................................................62
4.2
RTK Operations .....................................................................................................................................................62
4.2.1
Guideline for Base Station Operation ...................................................................................................62
4.2.1.1
Automatic and Manual Reference Points .............................................................................. 62
4.2.1.2
Base Station Configuration .................................................................................................... 63
4.2.1.3
SXBlue Config Base Menu ................................................................................................... 64
4.2.2
Guideline for RTK Rover Operation ....................................................................................................65
4.2.2.1
Using RTK Networks ............................................................................................................ 66
4.2.2.2
Using Local Corrections ........................................................................................................ 66
